Added line graphs and re-organised the webapp layout

compendium_v2/db/survey.py

compendium_v2/routes/data_entry.py

setup.py

webapp/src/App.tsx

webapp/src/Schema.tsx

webapp/src/components/graphing/BarGraph.tsx

webapp/src/components/graphing/LineGraph.tsx

webapp/src/components/graphing/types.ts

webapp/src/pages/About.tsx

webapp/src/pages/AnnualReport.tsx

webapp/src/pages/DataAnalysis.tsx

webapp/src/styles.scss